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guajiro [1.7K]
3 years ago
13

If a is negative and b is positive, is a2b positive or negative?

Mathematics
2 answers:
Mice21 [21]3 years ago
8 0

Answer:

Negative

Step-by-step explanation:

Lets look at it with numbers!

a=-2 , b=4

a*2b is -2*2(4)  ---> -2*8 ---> -16

If you multiple a negative and a negative it will be positive, but if you multiply a positive and a negative it will be negative;

+ * + = +

+ * - = -

- * -  = +

I hope this helps!

kolezko [41]3 years ago
6 0

Answer:

negative

Step-by-step explanation:

if you are multiplying with a negative and a positive it will always be negative. if you are multiplying with 2 positives or 2 negatives it will be positive. 2 negatives equalling a positive.

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AlladinOne [14]

Answer:

see below

Step-by-step explanation:

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8 0
3 years ago
HELP ASAP!! What is angle 1 called??
ololo11 [35]
Your right it’s an obtuse angle
7 0
3 years ago
I need help can anyone help me on this pls?
Ksenya-84 [330]

Answer:

Multiply 6 x 4 then add 10

or do the other way around

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
10-root18/root2 = a+broot2
Sauron [17]

Step-by-step explanation:

\frac{10 -  \sqrt{18} }{ \sqrt{2} } = a + b \sqrt{2}

\frac{10}{ \sqrt{2} }   +  \frac{ -  \sqrt{18} }{ \sqrt{2} }

5 \sqrt{2}   + (  \frac{ -  \sqrt{18} }{ \sqrt{2} } ) \times  \sqrt{2}

a = 5 \sqrt{2}

b =  \frac{ -  \sqrt{18} }{ \sqrt{2} }

8 0
3 years ago
Did I get this right? Please explain how I got it right if I did
viva [34]

Answer:

no 6 hours

Step-by-step explanation:

no it would be 6 hours

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5% = 1.5 hours

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